AS12303 5.28.0.0/21 CIDR and IP Range Summary.ASN: 12303 - Council of Hungarian Internet ProvidersHost Count: 2046Addressable IPs: 20485.28.0.0/245.28.1.0/245.28.2.0/245.28.3.0/245.28.4.0/245.28.5.0/245.28.6.0/245.28.7.0/24